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Finding the Third Proportional to 5,418,457.66 and 7,430,161.64

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Solution

The third proportional to 5,418,457.66 and 7,430,161.64 is: 10,188,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,457.66 : 7,430,161.64 = 7,430,161.64 : x
  2. Step 2: Convert to fraction form
    5,418,457.66/7,430,161.64 = 7,430,161.64/x
  3. Step 3: Cross multiply
    5,418,457.66x = 7,430,161.64 × 7,430,161.64
  4. Step 4: Simplify right side
    5,418,457.66x = 55,207,302,005,815.20
  5. Step 5: Solve for x
    x = 55,207,302,005,815.20/5,418,457.66
  6. Step 6: Final answer
    x = 10,188,748.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.